What is online raffle generator?

An online raffle generator is a tool that uses algorithms to randomly select a winner from a list of participants in a raffle or contest. Unlike manual methods, it ensures impartiality and eliminates potential human error by relying on pseudo-random number generation with adjustable parameters.

How do I ensure fairness using an online raffle generator?

To guarantee a fair raffle, utilize the seed value option offered by our generator. A seed value allows you to replicate the results of a raffle. Share the seed value publicly before the raffle starts, allowing anyone to verify the selection process independently after the raffle is complete, fostering trust and transparency.

Online raffle generator vs. physical raffle drum: Which is better?

While physical raffle drums offer tactile appeal, online raffle generators excel in scalability and verifiability. Online generators can handle significantly larger participant pools and offer features like weighted entries, ensuring fairness even when some entries have a higher chance of winning. Plus, the results are easily recorded and shared digitally.

What type of random number generation algorithm does BasedLabs' online raffle generator use?

Our online raffle generator utilizes a cryptographically secure pseudo-random number generator (CSPRNG) seeded with entropy from various sources, including server-side randomness and client-side randomness (mouse movements and key presses) if enabled. This ensures a high degree of unpredictability and makes it extremely difficult to predict the winning entry.

Can I export the raffle results for auditing purposes?

Yes, our online raffle generator allows you to export the complete raffle results, including the winning entries, the seed value used for the random number generation, timestamps, and entry weights (if applied). This export function facilitates easy auditing and ensures transparency in the raffle process, strengthening trust in the integrity of the draw.

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Last updated: February 6, 2026•By BasedLabs Team

online raffle generator

Effortlessly generate truly random raffle winners with customizable entry weights and guaranteed unique selections. Skip spreadsheets and focus on your event, getting accurate results in seconds.

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How to use online raffle generator

Steps to get you started in BasedLabs.

Step 1

Input Your Entries

Add participant names or import a CSV list.

Manually enter each participant's name or email address into the designated field, one entry per line. For larger raffles, upload a CSV file with one entry per row. Utilize the 'entry weight' column to give specific entries increased odds of winning, useful for rewarding loyal customers or boosting engagement.

Step 2

Configure Raffle Settings

Set the number of winners and customize draw options.

Specify the number of winners you need to draw. Choose whether to allow duplicate winners (useful for drawing multiple prizes for the same individual) or to exclude them to ensure diverse winners. Set a unique seed value for reproducible results or let the system auto-generate one for maximum randomness.

Step 3

Draw and Share the Results

Generate and display the winners instantly.

Click the 'Draw Winner' button to initiate the random selection process. The winning entry will be displayed instantly. Copy and paste the results directly into your social media posts or download the complete, timestamped raffle results, including the seed value, for future reference and verification by participants.

Weighted Entry System

Easily assign weights to individual entries, giving certain participants a higher probability of winning. Reward loyal customers or boost engagement by assigning increased odds without compromising the overall randomness and fairness of the draw. Weights can be assigned as percentages or multipliers of base entry chance.

Verifiable Randomness with Seed Values

Use a custom seed value to generate a truly random and reproducible raffle. This feature allows you to share the seed value with participants before the draw, enabling them to independently verify the integrity of the random selection process, building confidence in your raffle's fairness.

Exportable Audit Trail

Download a comprehensive report of the raffle, including all entries, weights, the winning entry, and the seed value used. This detailed audit trail allows for easy verification and transparency, providing peace of mind and demonstrable proof of fairness.

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